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Title: Evolution of multipolar magnetic fields in isolated neutron stars and its effect on pulsar radio emission
Authors: Mitra, D.
Konar, Sushan
Bhattacharya, D.
Hoensbroech, A.V.
Seiradakis, J.H.
Wielebinski, R.
Issue Date: 2000
Publisher: Astronomical Society of the Pacific
Citation: ASP Conference Series, 2000, Vol.202, p265
Abstract: The evolution of the multipolar structure of the magnetic field of isolated neutron stars is studied assuming the currents to be confined to the crust. Lower orders ($\le 25$) of multipole are seen to evolve in a manner similar to the dipole suggesting little or no evolution of the expected pulse shape. We also study the multifrequency polarization position angle traverse of PSR B0329+54 and find a significant frequency dependence above 2.7 GHz. We interpret this as an evidence of strong multipolar magnetic field present in the radio emission region.
Description: Restricted Access. An open-access version is available at (one of the alternative locations. ulsar Astronomy - 2000 and Beyond, ASP Conference Series, Vol. 202; Proceedings of the 177th Colloquium of the IAU held in Bonn, Germany, 30 August - 3 September 1999. (San Francisco: ASP). Eds. M. Kramer, N. Wex, and N. Wielebinski, 2000.
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Copyright: 2000 Astronomical Society of the Pacific
Appears in Collections:Research Papers (A&A)

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